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Related Experiment Videos

Bipolar versus monopolar sphincterotomy: a prospective trial

J H Siegel1, A Veerappan, R Tucker

  • 1Section of Endoscopy, Beth Israel Medical Center North Division, New York, New York.

The American Journal of Gastroenterology
|October 1, 1994
PubMed
Summary

Bipolar endoscopic sphincterotomy significantly reduced pancreatitis complications compared to monopolar electrocautery. This novel bipolar system offers a safer alternative for patients undergoing ERCP procedures.

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Area of Science:

  • Gastroenterology
  • Endoscopic Procedures
  • Surgical Technology

Background:

  • Endoscopic retrograde cholangiopancreatography (ERCP) with sphincterotomy is a common procedure.
  • Sphincterotomy carries a risk of complications, notably post-ERCP pancreatitis.
  • Current techniques primarily utilize monopolar electrocautery.

Purpose of the Study:

  • To compare the incidence of pancreatitis following endoscopic sphincterotomy using bipolar versus monopolar electrocautery.
  • To evaluate the safety and efficacy of a bipolar system (Bitome) in reducing complications.

Main Methods:

  • A prospective, randomized study included 100 patients undergoing ERCP and sphincterotomy.
  • Patients were assigned to either the bipolar (Bitome) or monopolar system group (50 each).

Related Experiment Videos

  • Sphincterotomy was performed by a single investigator, with minimal manipulation and no advanced techniques.

    • Main Results:

    • No cases of pancreatitis occurred in the bipolar electrocautery group.
    • Six patients (12%) in the monopolar electrocautery group developed pancreatitis (p < 0.047).

    Conclusions:

    • Bipolar endoscopic sphincterotomy demonstrates a reduced frequency of pancreatitis compared to the standard monopolar technique.
    • The localized current delivery of bipolar electrocautery may minimize tissue injury and subsequent pancreatitis.
    • Further large-scale studies are recommended to validate these findings.